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-rw-r--r--Libraries/LibJS/Tests/loops/for-of-basic.js100
1 files changed, 0 insertions, 100 deletions
diff --git a/Libraries/LibJS/Tests/loops/for-of-basic.js b/Libraries/LibJS/Tests/loops/for-of-basic.js
deleted file mode 100644
index e08d096c68..0000000000
--- a/Libraries/LibJS/Tests/loops/for-of-basic.js
+++ /dev/null
@@ -1,100 +0,0 @@
-describe("correct behavior", () => {
- test("iterate through array", () => {
- const a = [];
- for (const num of [1, 2, 3]) {
- a.push(num);
- }
- expect(a).toEqual([1, 2, 3]);
- });
-
- test("iterate through string", () => {
- const a = [];
- for (const char of "hello") {
- a.push(char);
- }
- expect(a).toEqual(["h", "e", "l", "l", "o"]);
- });
-
- test("iterate through string object", () => {
- const a = [];
- for (const char of new String("hello")) {
- a.push(char);
- }
- expect(a).toEqual(["h", "e", "l", "l", "o"]);
- });
-
- test("use already-declared variable", () => {
- var char;
- for (char of "abc");
- expect(char).toBe("c");
- });
-
- test("respects custom Symbol.iterator method", () => {
- const o = {
- [Symbol.iterator]() {
- return {
- i: 0,
- next() {
- if (this.i++ == 3) {
- return { done: true };
- }
- return { value: this.i, done: false };
- },
- };
- },
- };
-
- const a = [];
- for (const k of o) {
- a.push(k);
- }
-
- expect(a).toEqual([1, 2, 3]);
- });
-
- test("loops through custom iterator if there is an exception thrown part way through", () => {
- // This tests against the way custom iterators used to be implemented, where the values
- // were all collected at once before the for-of body was executed, instead of getting
- // the values one at a time
- const o = {
- [Symbol.iterator]() {
- return {
- i: 0,
- next() {
- if (this.i++ === 3) {
- throw new Error();
- }
- return { value: this.i };
- },
- };
- },
- };
-
- const a = [];
-
- try {
- for (let k of o) {
- a.push(k);
- }
- expect().fail();
- } catch (e) {
- expect(a).toEqual([1, 2, 3]);
- }
- });
-});
-
-describe("errors", () => {
- test("right hand side is a primitive", () => {
- expect(() => {
- for (const _ of 123) {
- }
- }).toThrowWithMessage(TypeError, "123 is not iterable");
- });
-
- test("right hand side is an object", () => {
- expect(() => {
- for (const _ of { foo: 1, bar: 2 }) {
- }
- }).toThrowWithMessage(TypeError, "[object Object] is not iterable");
- });
-});